---The book is borrowed from the library. You ____ your children touch it with their dirty hands. ---Sorry.
Sorry I’m so late,but you cannot imagine________great trouble I took to find your house.
Water,which seems so simple and common,is________makes life possible.
—You know,I’m poor in Chinese,you are not good at English,and...—That’s________we should help each other.
________we gave him something to eat,he would save it up for his little sister.
_______hungry I am,I never seem to be able to finish off this loaf of bread.